西门子840D开不了机，西门子PCU50启动黑屏，西门子PCU50故障维修、西门子PCU50.3黑屏维修，不开机维修，不能NCU通信维修，不能与CCU通信维修，连不了系统维修，进不HMI界面维修，高压板维修，开关电源维修，西门子810D系统主机维修，面板电脑维修，840D系统电脑主机维修

西门子PCU50主机维修型号：
6FC5210-0DA21-1AA0 MMC103/32MB 6FC5210-0DA21-1AA0 840D 
6FC5210-0DA21-1AA2 MMC 103, 64MB 6FC5210-0DA21-1AA2 840D 
6FC5210-0DA21-2AA0 MMC 103 / 32MB 6FC5210-0DA21-2AA0 840D 
6FC5210-0DA21-2AA1 MMC 103, 64MB 6FC5210-0DA21-2AA1 840D 
6FC5210-0DA21-2AA2 MMC 103, 64MB 6FC5210-0DA21-2AA2 840D 
6FC5210-0DB21-3AA1 MMC103,64MB/NT 6FC5210-0DB21-3AA1 840D 
6FC5210-0DB22-3AA1 MMC103 / 128MB / NT 6FC5210-0DB22-3AA1 
6FC5210-0DF00-0AA0 PCU 20, 166MHZ/16MB 6FC5210-0DF00-0AA0 
6FC5210-0DF00-0AA1 PCU20 SPC 166MHZ/32MB 6FC5210-0DF00-0AA1 
6FC5210-0DF00-0AA2 PCU20 SPC 266MHZ/32MB 6FC5210-0DF00-0AA2 
6FC5210-0DF00-1AA0 PCU 20, 233MHZ/32MB 6FC5210-0DF00-1AA0 
6FC5210-0DF00-1AA1 PCU20 SPC 233MHZ/32MB 6FC5210-0DF00-1AA1 
6FC5210-0DF00-1AA2 PCU20 SPC 333MHZ/32MB 6FC5210-0DF00-1AA2 
6FC5210-0DF01-0AA0 PCU50 O.HMI 6FC5210-0DF01-0AA0 810D/840D 
6FC5210-0DF02-0AA0 PCU 50, HMI 6FC5210-0DF02-0AA0 810D/840D 
6FC5210-0DF03-0AA0 PCU 50 6FC5210-0DF03-0AA0 810D/840D 
6FC5210-0DF04-0AA0 PCU 70, WIN 6FC5210-0DF04-0AA0 
6FC5210-0DF05-0AA0 PCU 50, WIN 6FC5210-0DF05-0AA0 810D/840D 
6FC5210-0DF20-0AA0 PCU 50 566MHZ, NT4.0 6FC5210-0DF20-0AA0 
6FC5210-0DF21-0AA0 PCU 50 566MHZ, NT4.0 6FC5210-0DF21-0AA0 
6FC5210-0DF21-2AA0 PCU 50 566MHZ, WIN XP 6FC5210-0DF21-2AA0 
6FC5210-0DF22-0AA0 PCU 50 1,2GHZ, NT4.0 6FC5210-0DF22-0AA0 
6FC5210-0DF22-1AA0 PCU50 1,2GHZ, WIN2000 6FC5210-0DF22-1AA0 
6FC5210-0DF22-2AA0 PCU50 1,2GHZ, WIN XP 6FC5210-0DF22-2AA0 
6FC5210-0DF23-2AA0 PCU 50 566MHZ, WIN XP 6FC5210-0DF23-2AA0 
6FC5210-0DF24-0AA0 PCU70 1,2GHZ, WIN NT 6FC5210-0DF24-0AA0 
6FC5210-0DF24-2AA0 PCU70 1,2GHZ, WIN XP 6FC5210-0DF24-2AA0 
6FC5210-0DF25-2AA0 PCU50 1,2GHZ, WIN XP 6FC5210-0DF25-2AA0 
6FC5210-0DF31-2AA0 PCU50.3-C, WINXP 6FC5210-0DF31-2AA0 
6FC5210-0DF33-2AA0 PCU50.3-P, WINXP 6FC5210-0DF33-2AA0 

6FC5210-0AA00-0AA0 MOD,LI-INTERF-6FC5210-0AA00-0AA0 
6FC5210-0AD21-0AA0 SINUMERIK FM-NC/840D 
6FC5210-0DA00-0AA0 MMC 0, COMPO. 6FC5210-0DA00-0AA0 840 D 
6FC5210-0DA00-1AA0 MMC100.2,8MB 6FC5210-0DA00-1AA0 840D 
6FC5210-0DA00-1AA1 MMC100.2,12MB 6FC5210-0DA00-1AA1 840D 
6FC5210-0DA10-0AA0 MMC 1, KOMPO. 6FC5210-0DA10-0AA0 840 D 
6FC5210-0DA10-0AA1 MMC 101,COMPO. 6FC5210-0DA10-0AA1 840D 
6FC5210-0DA11-0AA0 SINUMERIK FM-NC/ 840D/DE 
6FC5210-0DA20-0AA0 MMC 102,DX2,8MB6FC5210-0DA20-0AA0 840 D 
6FC5210-0DA20-0AA1 MMC 102, 8MB 6FC5210-0DA20-0AA1 840D 
6FC5210-0DA20-1AA0 MMC 103 / 16MB 6FC5210-0DA20-1AA0 840D 
6FC5210-0DA20-1AA1 MMC 103, 32MB 6FC5210-0DA20-1AA1 840D 
6FC5210-0DA20-1AA2 MMC 103, 32MB 6FC5210-0DA20-1AA2 840D 
6FC5210-0DA20-2AA0 MMC 103 / 32MB 6FC5210-0DA20-2AA0 840D 
6FC5210-0DA20-2AA1 MMC 103, 32MB 6FC5210-0DA20-2AA1 840D 
6FC5210-0DA20-2AA2 MMC 103, 32MB 6FC5210-0DA20-2AA1 840D 
6FC5210-0DA21-0AA0 MMC 102,DX2,16M6FC5210-0DA21-0AA0 840 D 

上海，江苏，苏州，南京，江阴，无锡，浙江，山东，河南，安徽，江西，湖北，湖南，河南，陕西，河北，福建，辽宁，吉林，黑龙江，宁夏，甘肃，海南，北京,西安，杭州，郑州，合肥西门子CPU50数控主板维修中心

西门子PCU50公司配备整套西门子840D系统以及611U系列模拟测试框架,在维修西门子工控中可以对810D、802D、840C、810M、802C、802S等系统上使用的电源、驱动、直流调速器、轴卡(通讯卡)等进行试机，公司还拥有的IC芯片在线测试仪以及齐全的西门子资料库、备件库,全力为您解决西门子自动化设备出现的各种疑难故障，我公司有西门子多个系统测试平台，修好后可试机，保证维修质量，可以回去装机就可应用，不影响公司生产任务。西门子PCU50 故障修复率在90%以上。大大降低维成本。
 西门子PCU50控制主机不启动维修维修故障：
   1.黑屏、无法启动，面板无显示，开机不显示等故障维修。
    2.西门子PCU50开机不显示，有时候能启动，有时候不能启动维修。
      二、西门子PCU50主机维修型号：
6FC5210-0DA21-1AA0 MMC103/32MB 6FC5210-0DA21-1AA0 840D 
6FC5210-0DA21-1AA2 MMC 103, 64MB 6FC5210-0DA21-1AA2 840D 
6FC5210-0DA21-2AA0 MMC 103 / 32MB 6FC5210-0DA21-2AA0 840D 
6FC5210-0DA21-2AA1 MMC 103, 64MB 6FC5210-0DA21-2AA1 840D 
6FC5210-0DA21-2AA2 MMC 103, 64MB 6FC5210-0DA21-2AA2 840D 
6FC5210-0DB21-3AA1 MMC103,64MB/NT 6FC5210-0DB21-3AA1 840D 
6FC5210-0DB22-3AA1 MMC103 / 128MB / NT 6FC5210-0DB22-3AA1 
6FC5210-0DF00-0AA0 PCU 20, 166MHZ/16MB 6FC5210-0DF00-0AA0 
6FC5210-0DF00-0AA1 PCU20 SPC 166MHZ/32MB 6FC5210-0DF00-0AA1 
6FC5210-0DF00-0AA2 PCU20 SPC 266MHZ/32MB 6FC5210-0DF00-0AA2 
6FC5210-0DF00-1AA0 PCU 20, 233MHZ/32MB 6FC5210-0DF00-1AA0 
6FC5210-0DF00-1AA1 PCU20 SPC 233MHZ/32MB 6FC5210-0DF00-1AA1 
6FC5210-0DF00-1AA2 PCU20 SPC 333MHZ/32MB 6FC5210-0DF00-1AA2 
6FC5210-0DF01-0AA0 PCU50 O.HMI 6FC5210-0DF01-0AA0 810D/840D 
6FC5210-0DF02-0AA0 PCU 50, HMI 6FC5210-0DF02-0AA0 810D/840D 
6FC5210-0DF03-0AA0 PCU 50 6FC5210-0DF03-0AA0 810D/840D 
6FC5210-0DF04-0AA0 PCU 70, WIN 6FC5210-0DF04-0AA0 
6FC5210-0DF05-0AA0 PCU 50, WIN 6FC5210-0DF05-0AA0 810D/840D 
6FC5210-0DF20-0AA0 PCU 50 566MHZ, NT4.0 6FC5210-0DF20-0AA0 
6FC5210-0DF21-0AA0 PCU 50 566MHZ, NT4.0 6FC5210-0DF21-0AA0 
6FC5210-0DF21-2AA0 PCU 50 566MHZ, WIN XP 6FC5210-0DF21-2AA0 
6FC5210-0DF22-0AA0 PCU 50 1,2GHZ, NT4.0 6FC5210-0DF22-0AA0 
6FC5210-0DF22-1AA0 PCU50 1,2GHZ, WIN2000 6FC5210-0DF22-1AA0 
6FC5210-0DF22-2AA0 PCU50 1,2GHZ, WIN XP 6FC5210-0DF22-2AA0 
6FC5210-0DF23-2AA0 PCU 50 566MHZ, WIN XP 6FC5210-0DF23-2AA0 
6FC5210-0DF24-0AA0 PCU70 1,2GHZ, WIN NT 6FC5210-0DF24-0AA0 
6FC5210-0DF24-2AA0 PCU70 1,2GHZ, WIN XP 6FC5210-0DF24-2AA0 
6FC5210-0DF25-2AA0 PCU50 1,2GHZ, WIN XP 6FC5210-0DF25-2AA0 
6FC5210-0DF31-2AA0 PCU50.3-C, WINXP 6FC5210-0DF31-2AA0 
6FC5210-0DF33-2AA0 PCU50.3-P, WINXP 6FC5210-0DF33-2AA0 
6FC5210-0AA00-0AA0 MOD,LI-INTERF- 6FC5210-0AA00-0AA0 
6FC5210-0AD21-0AA0 SINUMERIK FM-NC/840D 
6FC5210-0DA00-0AA0 MMC 0, COMPO. 6FC5210-0DA00-0AA0 840 D 
6FC5210-0DA00-1AA0 MMC100.2,8MB 6FC5210-0DA00-1AA0 840D 
6FC5210-0DA00-1AA1 MMC100.2,12MB 6FC5210-0DA00-1AA1 840D 
6FC5210-0DA10-0AA0 MMC 1, KOMPO. 6FC5210-0DA10-0AA0 840 D 
6FC5210-0DA10-0AA1 MMC 101,COMPO. 6FC5210-0DA10-0AA1 840D 
6FC5210-0DA11-0AA0 SINUMERIK FM-NC/ 840D/DE 
6FC5210-0DA20-0AA0 MMC 102,DX2,8MB6FC5210-0DA20-0AA0 840 D 
6FC5210-0DA20-0AA1 MMC 102, 8MB 6FC5210-0DA20-0AA1 840D 
6FC5210-0DA20-1AA0 MMC 103 / 16MB 6FC5210-0DA20-1AA0 840D 
6FC5210-0DA20-1AA1 MMC 103, 32MB 6FC5210-0DA20-1AA1 840D 
6FC5210-0DA20-1AA2 MMC 103, 32MB 6FC5210-0DA20-1AA2 840D 
6FC5210-0DA20-2AA0 MMC 103 / 32MB 6FC5210-0DA20-2AA0 840D 
6FC5210-0DA20-2AA1 MMC 103, 32MB 6FC5210-0DA20-2AA1 840D 
6FC5210-0DA20-2AA2 MMC 103, 32MB 6FC5210-0DA20-2AA1 840D 
6FC5210-0DA21-0AA0 MMC 102,DX2,16M6FC5210-0DA21-0AA0 840